Home / 14,072.08-21,111.32-7,494.80

Finding the Fourth Proportional to 14,072.08, 21,111.32 and 7,494.80

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Solution

The fourth proportional to 14,072.08, 21,111.32 and 7,494.80 is: 11,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.08 : 21,111.32 = 7,494.80 : x
  2. Step 2: Convert to fraction form
    14,072.08/21,111.32 = 7,494.80/x
  3. Step 3: Cross multiply
    14,072.08x = 21,111.32 × 7,494.80
  4. Step 4: Simplify right side
    14,072.08x = 158,225,121.14
  5. Step 5: Solve for x
    x = 158,225,121.14/14,072.08
  6. Step 6: Final answer
    x = 11,243.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.